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  • Title: Low-dose nitrendipine in mild hypertension: a double-blind, placebo-controlled, comparative study.
    Author: Lederle RM, Klaus D, Wilk S, Knaup G.
    Journal: J Cardiovasc Pharmacol; 1991; 18 Suppl 1():S48-50. PubMed ID: 1723455.
    Abstract:
    The objective of this study was to determine whether 10 mg of nitrendipine once daily is adequate for treatment of mild hypertension. The study was a randomized, double-blind, multicenter, and placebo-controlled group comparison over 8 weeks (a 2-week placebo-controlled washout phase followed by a 6-week treatment phase) with measurement of blood pressure, routine laboratory tests, compliance monitoring, and recording of side effects every 2 weeks. The study subjects were 141 outpatients with mild arterial hypertension and were given one 10-mg tablet of nitrendipine or placebo once daily. The end point used was reduction in diastolic blood pressure (DBP) by at least 10 mm Hg or to less than or equal to 90 mm Hg; the responder rate at the end of the treatment phase was determined. After 6 weeks of treatment, the mean reduction in DBP was 11.8 mm Hg under nitrendipine compared with 5 mm Hg under placebo. The responder rates were 73% (53 of 73 patients) in the nitrendipine group and 26% (18 of 68 patients) in the placebo group. This difference is statistically significant. Side effects were reported by a total of 14 patients (6 in the nitrendipine group, 8 in the placebo group). There was one dropout in each group. No changes in laboratory parameters were observed. In conclusion, nitrendipine is suitable for monotherapy of mild arterial hypertension in the dosage of 10 mg once daily used in this study.
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